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'\n\n transmission control protocol/IP profits, .\n\n- , , . , , , , . , transmission control protocol/IP, meshing.\n\n , . , , - , (17%) (16%), - (67%).\n\n transmission control protocol/IP .\n\n, transmission control protocol/IP :\n\n IP (profit Protocol) - , ;\n\n UDP (User Datagram Protocol) - , IP ;\n\n transmission control protocol (Transmission run Protocol) - , IP ;\n\n ICMP ( mesh Control capacity Protocol) - , IP, , , ;\n\n ARP (Address closing Protocol) - , ;\n\n , meshwork, IP-.\n\n \n\n - , , , .\n\n - , .\n\n, - , , .\n\n - , .\n\n , , . .\n\n , . , , - .\n\n , . , , , , . , .\n\n () , .\n\n \n\n , ( , , . .) . , , .\n\n , , () , , , . ( ) (remote intercommunicate attacks). , -, , , , -, , , , . , , , .\n\n \n\n , :\n\n : , ( );\n\n : , , ;\n\n : , ( ) ;\n\n : , , ;\n\n : , , , , , ;\n\n : , , ;\n\n : , ;\n\n (sniffers): , . , ;\n\n ;\n\n ( ) ().\n\n - , . - , ;\n\n \n\n 1998 NIST (http://csrc.nist.gov/) 237 , . :\n\n 29% - Windows.\n\n: Unix. . . , , .\n\n 20% (, , , ).\n\n: , .\n\n 3% web- .\n\n: entanglement .\n\n 4% .\n\n: , . ( - ).\n\n 5% .\n\n: (, , .)\n\n 1999 , 57% , , . 30% , , 26% , . - FedCIRC (http://www.fedcirc.gov) , 1998 130000 1100000 .\n\n network\n\n Internet . - (sniffer), , , , .\n\n , . , file transfer protocol TELNET ( ), HTTP ( weathervane- , web- ), SMTP, POP3, IMAP, NNTP ( ) IRC (online-, chat). web-, , .\n\n , (, SSL TLS, Skip, S-HTTP ..). , . . - , ( ), , .\n\n ARP- Internet\n\n IP- Internet IP- Ethernet- ( ), Ethernet- ( ). Ethernet- , , Ethernet- . , , .\n\n Internet ARP (Address Resolution Protocol). ARP IP- Ethernet- , . : ARP-, IP- ( ) Ethernet-. , , . , ARP-, ARP- Ethernet-. ARP- Ethernet- ARP-, .\n\n- , \n\n :\n\n ARP-;\n\n ARP- ARP-, ( ARP-) Ethernet-, ARP-;\n\n , , ( );\n\n - ARP- , , .\n\n DNS- Internet\n\n , Internet 32- IP-, . IP- . , IP-, , IP-.\n\n, Internet , ( hosts-), IP-. . Internet, , . , IP-, , - (DNS-). arena Name form (DNS - ). DNS.\n\n DNS- :\n\n1. IP- DNS- DNS-, , IP- .\n\n2. DNS- . IP- , DNS- DNS-, . , DNS- DNS- DNS-. , .\n\n , , DNS, - DNS-\n\n DNS UDP, , transmission control protocol, , .\n\n DNS-:\n\n1. DNS-.\n\n2. DNS- ( IP-) DNS- IP- DNS-.\n\n3. - IP- IP- IP- DNS- . DNS- .\n\n4. - IP- IP- DNS- . DNS- .\n\n . DNS-, , DNS-. DNS- .\n\n Internet DNS DNS-. hosts, DNS, .\n\n transmission control protocol UDP, , , TCP .\n\n ICMP Internet \n\n , . Internet (IP-). , . Internet . , , , , , IP-, .\n\n , Internet ICMP, . ICMP- redirect Message.\n\n ICMP- Redirect Datagrams for the Host, , , IP- . . , , , .\n\n ICMP- Firewall. , ICMP- Redirect.\n\n TCP- Internet (hijacking)\n\n TCP (Transmission Control Protocol) Internet. , , - . , , , . TCP TCP/IP, .\n\n TCP- TCP- 32- , . - Sequence human action ( ) Acknowledgment fall ( ).\n\n TCP- . , , TCP- TCP- , .\n\n , . , .\n\n , . SSL, S-HTTP, Kerberos ..\n\n TCP- \n\n TCP- ISN . , Internet ( IPv4) IP- , , IP-, , , , . , TCP- . - - , - - ( ).\n\n - , , -, , -, . , : , .\n\n . demur of value , -.\n\n 3 (44.736 /c) . , VPN -. , .\n\n - IP-. - . , .\n\n IPv4 , . , .\n\n, \n\n , . :\n\n Land - IP-, . Windows Windows NT 4.0 Service gang 4 . .\n\n teardrop grapple - , IP-. - , , . Windows95/NT Service Pack 4 Linux (2.0.0).\n\n WinNuke - Windows- TCP/IP let out Of Band (OOB) ( 139-) TCP-. . Windows95/NT .\n\n , .\n\n web\n\n World good Web Web. Web :\n\n1. \n\n2. \n\n , . , . , (plug-ins), ActiveX, Java, JavaScript, VBScript, PerlScript, Dynamic HTML.\n\n , - , , html- ( VBScript ActiveX-). . cultus of the Dead browbeat BackOrifice 200 0, WindowsNT , , , , .\n\n :\n\n : , ; , , .\n\n \n\n \n\n 2000 Internet\n\n , 2000 TCP/IP, - , Y2K - , , .\n\n :\n\n - .\n\n , - .\n\n - .\n\n - .\n\n .\n\n , .\n\n .\n\n .\n\n 2000 . - , .\n\n Internet\n\n , , ARP-, hosts DNS-, .\n\n - -. :\n\n - ;\n\n Firewall;\n\n ;\n\n (Ids - infringement Detection Systems methamphetamine - Intrusion Countermeasures Electronics);\n\n (Satan - security system Analysis mesh topology Tool for Administrator, Saint, SAFEsuite, RealSecure .);\n\n .\n\n Firewall :\n\n1. ;\n\n2. Proxy- Firewall-. proxy- proxy- Firewall;\n\n3. IP-. IP-.\n\n - . , .'